1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #ifndef _VCLCANVAS_WINDOWOUTDEVHOLDER_HXX 29*cdf0e10cSrcweir #define _VCLCANVAS_WINDOWOUTDEVHOLDER_HXX 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include <com/sun/star/uno/Reference.hxx> 32*cdf0e10cSrcweir #include <com/sun/star/awt/XWindow.hpp> 33*cdf0e10cSrcweir #include <vcl/window.hxx> 34*cdf0e10cSrcweir 35*cdf0e10cSrcweir #include "outdevprovider.hxx" 36*cdf0e10cSrcweir 37*cdf0e10cSrcweir #include <boost/utility.hpp> 38*cdf0e10cSrcweir 39*cdf0e10cSrcweir namespace vclcanvas 40*cdf0e10cSrcweir { 41*cdf0e10cSrcweir class WindowOutDevHolder : public OutDevProvider, 42*cdf0e10cSrcweir private ::boost::noncopyable 43*cdf0e10cSrcweir { 44*cdf0e10cSrcweir public: 45*cdf0e10cSrcweir explicit WindowOutDevHolder( const ::com::sun::star::uno::Reference< 46*cdf0e10cSrcweir ::com::sun::star::awt::XWindow>& xWin ); 47*cdf0e10cSrcweir 48*cdf0e10cSrcweir private: 49*cdf0e10cSrcweir virtual OutputDevice& getOutDev() { return mrOutputWindow; } 50*cdf0e10cSrcweir virtual const OutputDevice& getOutDev() const { return mrOutputWindow; } 51*cdf0e10cSrcweir 52*cdf0e10cSrcweir // TODO(Q2): Lifetime issue. Though WindowGraphicDeviceBase 53*cdf0e10cSrcweir // now listenes to the window component, I still consider 54*cdf0e10cSrcweir // holding a naked reference unsafe here (especially as we 55*cdf0e10cSrcweir // pass it around via getOutDev). This _only_ works reliably, 56*cdf0e10cSrcweir // if disposing the SpriteCanvas correctly disposes all 57*cdf0e10cSrcweir // entities which hold this pointer. 58*cdf0e10cSrcweir // So: as soon as the protocol inside 59*cdf0e10cSrcweir // vcl/source/window/window.cxx is broken, that disposes the 60*cdf0e10cSrcweir // canvas during window deletion, we're riding a dead horse 61*cdf0e10cSrcweir // here 62*cdf0e10cSrcweir Window& mrOutputWindow; 63*cdf0e10cSrcweir }; 64*cdf0e10cSrcweir } 65*cdf0e10cSrcweir 66*cdf0e10cSrcweir #endif /* _VCLCANVAS_WINDOWOUTDEVHOLDER_HXX */ 67